Patent US3132210A successfully refreshed from Google Patents.
US3132210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosspoint network for a time division multiplex telecommunication system
Assignee: International Standard Electric Corp
•
Filing: 1960-09-13
•
Granted: 1964-05-05
•
Expires: 1980-09-13
Abstract
No abstract record available.
Inventors
- 👤 Hans H Adelaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:50
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/62; H03K17/16; H03K17/601; H03K17/64; H03K17/68; H03K3/00; H03K3/02; H03K3/53; H03K3/57; H04; H04J; H04J3/00; H04J3/20; H04Q; H04Q11/00; H04Q11/04; H04Q11/0407; H04Q3/00; H04Q3/42; H04Q3/52; H04Q3/521; H04Q3/54; H04Q3/545
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A COORDINATE CROSSPOINT NETWORK COMPRISING A PLURALITY OF FIRST CONDUCTORS ARRANGED IN PARALLEL ROWS IN FIRST AND SECOND PARALLEL PLANES WITH THE SAID CONDUCTORS IN ONE PLANE POSITIONED NORMAL TO THE CONDUCTORS IN THE OTHER OF SAID PLANES, SWITCH MEANS AT EACH OF THE CROSSOVER POINTS OF THE CONDUCTORS OF ONE PLANE WITH THE CONDUCTORS OF THE OTHER OF SAID PLANES FOR INTERCONNECTING ANY SELECTED ONE OF THE CONDUCTORS OF ONE PLANE WITH
Claim 2
Dependent Claim
73 words
A COORDINATE CROSSPOINT NETWORK COMPRISING A PLURALITY OF FIRST CONDUCTORS ARRANGED IN PARALLEL ROWS IN FIRST AND SECOND PARALLEL PLANES WITH THE SAID CONDUCTORS IN ONE PLANE POSITIONED NORMAL TO THE CONDUCTORS IN THE OTHER OF SAID PLANES, SWITCH MEANS AT EACH OF THE CROSSOVER POINTS OF THE CONDUCTORS OF ONE PLANE WITH THE CONDUCTORS OF THE OTHER OF SAID PLANES FOR INTERCONNECTING ANY SELECTED ONE OF THE CONDUCTORS OF ONE PLANE WITH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |